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单选题 Slow and medium speed engines use ______ to circulate and cool the cylinder jackets and covers
学科：轮机英语阅读（不考证课程）
时间：2023-12-19 10:51:58
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题目1单选题
The various cooling liquids which circulate the engine are themselves cooled by______A. fresh waterB. sea waterC. lubricating oilD. any of the above
题目2单选题
In a central cooling system, used in some modern ships, sea water is supplied to cool which will circulate to other individual coolers, greatly reducing the corrosion problemsA. fresh waterB. lubricantC. diesel oilD. cooling oil
题目3单选题
______sea water the corrosion problems are much reduced in the central cooling systemA. Without less equipment in contact withB. Because no equipment in contact withC. With fewer equipment in contact withD. With less equipment in contact with
题目4单选题
Slow and medium speed engines use ______ to circulate and cool the cylinder jackets and coversA. sea waterB. fresh waterC. cooling oilD. any of the above
题目5单选题
______ is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air coolerA. The fuel oilB. The lube oilC. The sea waterD. The fresh water
题目6单选题
______ allows for expansion and water makeup in the water cooling systemA. A top tankB. A head tankC. A head valveD. A drain tank
题目7单选题
Cooling of engines is achieved______A. by blowing charge airB. by circulating with salt waterC. by circulating with refrigerantD. by circulating with fresh water
题目8单选题
Cooling of engines is achieved by circulating a cooling liquid around internal ______ within the engineA. airB. passagesC. pipesD. means
题目9单选题
The expansion tank should be used to remove______ from cooling waterA. scaleB. sludgeC. chemicalsD. air
题目10单选题
If a kind of liquid is used to cool the diesel engine, it is invariably called______A. lubricantB. coolantC. combustion productD. refrigerant
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